Find exposed credentials in your commits using GitGuardian shield.

The GitGuardian shield (gg-shield) is a CLI application that runs in your local environment or in a CI environment to help you detect more than 200 types of secrets, as well as other potential security vulnerabilities or policy breaks.

GitGuardian shield uses our public API through py-gitguardian to scan your files and detect potential secrets or issues in your code. The /v1/scan endpoint of the public API is stateless. We will not store any files you are sending or any secrets we have detected.

• Have an account on GitGuardian. Sign up now if you haven't before!
• Create an API key on the API Section of your dashboard.

• GITGUARDIAN_API_KEY [Required]: Necessary to authenticate to GitGuardian's API. You can set the GITGUARDIAN_API_KEY value in the "Secrets" page of your repository's settings. You can create your API Key here.

Add a new job to your GitHub workflow using the GitGuardian/gg-shield-action action.

name: GitGuardian scan

on: [push, pull_request]

jobs:
  scanning:
    name: GitGuardian scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0 # fetch all history so multiple commits can be scanned
      - name: GitGuardian scan
        uses: GitGuardian/gg-shield-action@master
        env:
          GITHUB_PUSH_BEFORE_SHA: ${{ github.event.before }}
          GITHUB_PUSH_BASE_SHA: ${{ github.event.base }}
          GITHUB_PULL_BASE_SHA: ${{ github.event.pull_request.base.sha }}
          GITHUB_DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          GITGUARDIAN_API_KEY: ${{ secrets.GITGUARDIAN_API_KEY }}

Do not forget to add your GitGuardian API Key to the GITGUARDIAN_API_KEY secret in your project settings.

The following options can be added to the action by using action inputs:

Options:
  --show-secrets  Show secrets in plaintext instead of hiding them.
  --exit-zero     Always return a 0 (non-error) status code, even if issues
                  are found.The env var GITGUARDIAN_EXIT_ZERO can also be used
                  to set this option.

  --all-policies  Present fails of all policies (Filenames, FileExtensions,
                  Secret Detection).By default, only Secret Detection is
                  shown.

  -v, --verbose   Verbose display mode.

Example:

name: GitGuardian scan

on: [push, pull_request]

jobs:
  scanning:
    name: GitGuardian scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0 # fetch all history so multiple commits can be scanned
      - name: GitGuardian scan
        uses: GitGuardian/gg-shield-action@master
        with:
          args: -v --all-policies
        env:
          GITHUB_PUSH_BEFORE_SHA: ${{ github.event.before }}
          GITHUB_PUSH_BASE_SHA: ${{ github.event.base }}
          GITHUB_PULL_BASE_SHA: ${{ github.event.pull_request.base.sha }}
          GITHUB_DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          GITGUARDIAN_API_KEY: ${{ secrets.GITGUARDIAN_API_KEY }}

This a sample scan result from GitGuardian shield.

If the secret detected has been revoked and you do not wish to rewrite git history, you can use a value of the policy break (for example: the value of |_password_|) or the ignore SHA displayed in your .gitguardian.yaml under matches-ignore.

An example configuration file is available here.

If there are secret leaks or other security issues in your commit your workflow will be marked as failed.

Be sure to add GitGuardian scan to your required status checks in your repository settings to stop pull requests with security issues from being merged.

GitGuardian shield is MIT licensed.